-2.81% is the change from 960 to 933
Calculation steps:
[( 933 - 960 ) ÷ 960] x 100 = -2.81%
Formula
Percentage change = [(933 - 960) / 960] x 100
Subtract the new number by the original number
933 - 960 = -27
-27 ÷ 960 = -0.028125
-0.028125 x 100 = -2.81%